Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.23
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.10 -0.375 0.41
Prot (kg) -3.24 -0.441 1.43
Fertility Sub Index 4.14
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 0.98 1.117 1.09
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.69
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.74 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 18.69

* Based on an €80/tonne carbon price